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When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm?
the piton of an internal combustion engine compresses 671 ml of gas. the final pressure is 15 times greater that the
what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25'C.
It is estimated that the Earth's ruminants (cattle, sheep, etc.) produce 73 million metric tons of CH4 each year. In this amount of CH4 there would be................ million metric tons of carbon
calculate the pH and molar concentrations of H2A, HA- and A2- for each of the solutions below:a) 0.116 M solution of H2A
Menthol is a crystalline substance with a peppermint taste and odor. When 0.705 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.76 °C.
What is the molarity of solution when .8292 grams of Nickel
A quantity of N2 occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. How many moles of N2 are in the container?
a 24.9 ml volume of hcl reacts completely with 55.0 ml of aqueous na2co3. the reaction is as follows2hcl aq na2co3aq-gt
Consider the reaction CaCN2 + 3 H2O ! CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
For the reaction 2NO(g)+O2(g)---> 2NO2(g).....delta G=-77.4kJ and delta S=-146.5 J/K at 251 K and 1 atm A) this reaction is (reactant, product) favored under standard conditions at 251 K B) the standard enthalpy change for delta H for the reaction..
Calculate the number of grams of alcohol present in 1.00 L of 69 proof gin. The density of ethanol is 0.798 g/mL.
Sketch an approximate titration of an NaOH solution with standardized HCl solution. Briefly explain the shape of the curve before the equivalence point, at the equivalence point, and after the equivalence point.
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